Steam Boilers, Engines, Nozzles and Turbines Which of the following gases has the highest calorific value? Blast furnace gas Producer gas Water gas Coal gas Blast furnace gas Producer gas Water gas Coal gas ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In order to obtain superheated steam, a superheater is added in an existing boiler. As as result, furnace vacuum will May improve/worsen depending on size Improve Worsen Remain unaffected May improve/worsen depending on size Improve Worsen Remain unaffected ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The function of a cross-head is to guide motion of the _________ and to prevent it from bending. Piston rod Eccentric rod Valve rod Connecting rod Piston rod Eccentric rod Valve rod Connecting rod ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The critical pressure ratio for gases is 0.577 0.528 0.546 0.582 0.577 0.528 0.546 0.582 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The stage efficiency (ηS) is given by (where ηB = Blading efficiency, and ηN = Nozzle efficiency) ηS = ηB / ηN ηS = ηN / ηB None of the listed here ηS = ηB × ηN ηS = ηB / ηN ηS = ηN / ηB None of the listed here ηS = ηB × ηN ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The diameter of internal flue tubes of a Lancashire boiler is about ___ that of its shell. One-fourth One-third Two-fifth One-half One-fourth One-third Two-fifth One-half ANSWER DOWNLOAD EXAMIANS APP
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